Symptoms - Displays and Gauges

Symptoms - Displays and Gauges

Note:
The following steps must be completed before using the symptom diagnostic tables.

1. Before using the symptom diagnostic tables, perform the Diagnostic System Check - Vehicle Diagnostic System Check - Vehicle in order to verify the following conditions:

* There are not any DTCs set.

* The control modules can communicate via the serial data link.

2. Review the system operation in order to understand the system functions. Refer to the following description and operations:

* Audible Warnings Description and Operation Description and Operation

* Instrument Cluster Description and Operation Description and Operation

* Indicator/Warning Message Description and Operation Description and Operation

* Driver Information Center (DIC) Description and Operation Description and Operation

Visual/Physical Inspection

* Inspect for aftermarket devices which can affect the operation of the instrument panel cluster or the audible warnings system. Refer to Checking Aftermarket Accessories Checking Aftermarket Accessories.

* Inspect the accessible system components or the visible system components for obvious damage or for obvious conditions which can cause the symptom.

* Inspect for the proper fluid levels.

Intermittent

Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent Conditions and Poor Connections Testing for Intermittent Conditions and Poor Connections.

Symptom List

Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:

Gauges and Odometer

* Engine Oil Pressure Gauge Inaccurate or Inoperative Engine Oil Pressure Gauge Inaccurate or Inoperative

* Fuel Gauge Inaccurate or Inoperative (with LC8 and KO7) Fuel Gauge Inaccurate or Inoperative (with LC8 and FHZ) Fuel Gauge Inaccurate or Inoperative (without LC8) Fuel Gauge Inaccurate or Inoperative

* Instrument Cluster Gauges Inoperative Instrument Cluster Gauges Inoperative

* Hourmeter Inaccurate or Inoperative Hourmeter Inaccurate or Inoperative

Indicators

* ABS Indicator Malfunction ABS Indicator Malfunction

* Air Bag Indicator Circuit Malfunction (Driver) Air Bag Indicator Circuit Malfunction (Driver)

* Brake Warning Indicator Malfunction (Without UJ1) Brake Warning Indicator Malfunction (Without UJ1)Brake Warning Indicator Malfunction (With UJ1) Brake Warning Indicator Malfunction (With UJ1)

* Charge Indicator Malfunction Charge Indicator Malfunction

* Compass Malfunction Compass Malfunction

* Door Ajar Indicator Malfunction Door Ajar Indicator Malfunction

* Driver Information Center Switch Malfunction Driver Information Center Switch Malfunction

* Headlamps Malfunction Headlamps Malfunction

* Malfunction Indicator Lamp (MIL) Diagnosis Testing and Inspection for the 4.3L engine

* Malfunction Indicator Lamp (MIL) Diagnosis Testing and Inspection for the 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L engine

* Malfunction Indicator Lamp (MIL) Diagnosis Testing and Inspection for the 6.6L Diesel engine

* Passenger Presence System Indicator Circuit Malfunction Passenger Presence System Indicator Circuit Malfunction

* Seat Belt Indicator Malfunction - Driver Seat Belt Indicator Malfunction - Driver

* Seat Belt Indicator Malfunction - Passenger Seat Belt Indicator Malfunction - Passenger

* Low Tire Pressure Indicator Malfunction Low Tire Pressure Indicator Malfunction

* Outside Air Temperature Display Inaccurate or Inoperative Outside Air Temperature Display Inaccurate or Inoperative

* Tow/Haul Switch/Indicator Always On or Inoperative Tow/Haul Switch/Indicator Always On or Inoperative for the 4L60-E transmission

* Turn Signal Lamps and/or Indicators Malfunction Turn Signal Lamps and/or Indicators Malfunction

* Water in Fuel Indicator Malfunction Water in Fuel Indicator Malfunction

* Engine Cranks But Does Not Run Symptom Related Diagnostic Procedures for the 6.6L Diesel engine

Audible Warnings

Chime Malfunction Chime Malfunction